He
started his professional career at rookie league Medicine Hat, playing
48 games and hitting just .208. In one August game, he was also thrown out at home.

Dziadkowiec returned to Medicine Hat for 1987, but also got a 17-game look at single-A Myrtle Beach. Between the two, he hit .273. He wasn't recorded as playing in 1988. He returned in 1989 at single-A Dunedin.

At Dunedin, Dziadkowiec hit .274 with six home runs.
For 1990, Dziadkowiec played only 38 games, 37 of those at AA Knoxville
and a single game at AAA Syracuse. He went 0 for 3 with the Chiefs.

His
final season came in 1993, 67 games at Binghamton. Dziadkowiec hit .210
with a single home run. That only home run came in early June at
Reading, according to The Allentown Morning Call, a homer "which soared an estimated 400 feet over the 25-foot upper line of billboards in dead right field."